| Acronym | Meaning |
| NIGA | Neutron Induced Gamma Activity |
| MTBF | Mean Time Between Failure |
| PRESS | Prediction Error Sum Of Squares |
| HEATRT | Heat Rate [EPRI Software] |
| SBZ | Surface Brillouin Zone |
| BTCA | Best Technology Currently Available |
| IBARE | Ion Beam Assisted Radical Etching |
| SEDEX | Sedimentary Exhalative |
| BMWI | Biomedical Waste Incinerator |
| EPM | Electron Probe Microscopy |